2218483920 has 40 divisors (see below), whose sum is σ = 6877300896. Its totient is φ = 591595648.

The previous prime is 2218483903. The next prime is 2218483931. The reversal of 2218483920 is 293848122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4621602 + ... + 4622081.

Almost surely, 2^2218483920 is an apocalyptic number.

2218483920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218483920 is an abundant number, since it is smaller than the sum of its proper divisors (4658816976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2218483920 is a wasteful number, since it uses less digits than its factorization.

2218483920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243699 (or 9243693 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2218483920 is about 47100.7847068390. The cubic root of 2218483920 is about 1304.2237217613.

The spelling of 2218483920 in words is "two billion, two hundred eighteen million, four hundred eighty-three thousand, nine hundred twenty".